Interlaboratory Comparability, Bias, and Precision for Four Laboratories Measuring Analytes in Wet Deposition, October 1983-December 1984
Summary of the National Atmospheric Deposition Program/National Trends Network Intersite-comparison Program, November 1978-November 1989
Chemical Stability of Wet-deposition Samples Subsampled Daily for One Week
Bias and precision of selected analytes reported by the National Atmospheric Deposition Program and National Trends Network, 1984
An Estimate of Chemical Loads from Ground Water to the Grand Calumet River and Indiana Harbor Canal, Northwestern Indiana
Results of External Quality-assurance Program for the National Atmospheric Deposition Program and National Trends Network During 1985
External Quality-assurance Results for the National Atmospheric Deposition Program and the National Trends Network During 1987
Results of Intercomparison Studies for the Measurement of PH and Specific Conductance at National Atmosepheric Deposition Program/National Trends Network Monitoring Sites, October 1981-October 1985
Stability of Nitrate-ion Concentrations in Simulated Deposition Samples Used for Quality-assurance Activities by the U.S. Geological Survey
Quality of Wet Deposition In The Grand Calumet River Watershed
Precision and Bias of Selected Analytes Reported by the National Atmospheric Deposition Program and National Trends Network
External quality-assurance results for the National Atmospheric Deposition Program and the National Trends Network during 1986
External Quality-assurance Results for the National Atmospheric Deposition Program/National Trends Network During 1988
Methodology and Significance of Studies of Atmospheric Deposition in Highway Runoff
